JANSEN, M.; BURO, Michael. HPA* Enhancements. Proceedings of the AAAI Conference on Artificial Intelligence and Interactive Digital Entertainment, [S. l.], v. 3, n. 1, p. 84–87, 2007. DOI: 10.1609/aiide.v3i1.18791. Disponível em: https://ojs.aaai.org/index.php/AIIDE/article/view/18791. Acesso em: 10 may. 2026.